expandAllRowGroups

What does this API do?

Expands all current row groups. Each changed group emits a toggle event.

API for Pro features: Row grouping, built-in aggregation and group totals

Exact input and result types

expandAllRowGroups(): Promise<void>

The return type is Promise<void>.

Usage flow

After registering and initializing the Grid element, call grid.expandAllRowGroups(…). Read the return value with await. For methods returning a boolean or report, inspect the result before continuing.

Feature explanations and examples

• Grouping and aggregation

  Row grouping collects source rows with the same region or team into expandable groups. Unlike column groups, which organize headers, row groups change displayed rows and aggregation results.